Home / 61,419.85-84,805.58-60,438.96

Finding the Fourth Proportional to 61,419.85, 84,805.58 and 60,438.96

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Solution

The fourth proportional to 61,419.85, 84,805.58 and 60,438.96 is: 83,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,419.85 : 84,805.58 = 60,438.96 : x
  2. Step 2: Convert to fraction form
    61,419.85/84,805.58 = 60,438.96/x
  3. Step 3: Cross multiply
    61,419.85x = 84,805.58 × 60,438.96
  4. Step 4: Simplify right side
    61,419.85x = 5,125,561,057.40
  5. Step 5: Solve for x
    x = 5,125,561,057.40/61,419.85
  6. Step 6: Final answer
    x = 83,451.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.